245555535515015 has 8 divisors (see below), whose sum is σ = 321454519219728. Its totient is φ = 178585844010880.

The previous prime is 245555535515011. The next prime is 245555535515051. The reversal of 245555535515015 is 510515535555542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245555535515015 - 2² = 245555535515011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245555535515011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232323050082 + ... + 2232323050191.

It is an arithmetic number, because the mean of its divisors is an integer number (40181814902466).

Almost surely, 2^{245555535515015} is an apocalyptic number.

245555535515015 is a deficient number, since it is larger than the sum of its proper divisors (75898983704713).

245555535515015 is a wasteful number, since it uses less digits than its factorization.

245555535515015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464646100289.

The product of its (nonzero) digits is 46875000, while the sum is 56.

The spelling of 245555535515015 in words is "two hundred forty-five trillion, five hundred fifty-five billion, five hundred thirty-five million, five hundred fifteen thousand, fifteen".